é¶è¡å®¢æ·ç»ççå款任å¡æ¥å300ä¸å款ï¼é¶è¡èæ ¸ä¸è¬ææ«ãå£æ«ãåå¹´æ«ãå¹´æ«ãè¿å 个æ¶ç¹è¦ä¿è¯æ300ä¸ã
å
¶ä½æ¶é´å款å¯åæ¢ä½è¦ç®æ¥åï¼æ¯å¦7å·300ä¸ã8å·0ã9å·600ä¸ï¼è¿ä¸å¤©æ¥åå°±æ¯ï¼300+0+600ï¼/3=300ã